Finding the Fourth Proportional to 198,106.56, 297,135.60 and 84,300.09
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Solution
The fourth proportional to 198,106.56, 297,135.60 and 84,300.09 is: 126,439.82
Step by Step Solution
- Step 1: Write the proportion equation
198,106.56 : 297,135.60 = 84,300.09 : x - Step 2: Convert to fraction form
198,106.56/297,135.60 = 84,300.09/x - Step 3: Cross multiply
198,106.56x = 297,135.60 × 84,300.09 - Step 4: Simplify right side
198,106.56x = 25,048,556,956.04 - Step 5: Solve for x
x = 25,048,556,956.04/198,106.56 - Step 6: Final answer
x = 126,439.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.